Quick Takeaways
- A. Brooke Seawell has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $463,905,827.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of A. Brooke Seawell
- Location
- Santa Clara, CA
- Summary
- The estimated net worth of A. Brooke Seawell is at least $463,905,827 dollars as of 19 Mar 2026. A. Brooke Seawell is the Director of NVIDIA CORP and owns shares of NVIDIA CORP (NVDA) stock worth about $463.45M. A. Brooke Seawell is the Director of Tenable Holdings, Inc. and owns shares of Tenable Holdings, Inc. (TENB) stock worth about $459.3K.
- Signature
- /s/ Tina Ashcraft, Attorney-in-Fact for A. Brooke Seawell
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow A. Brooke Seawell and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: NVIDIA CORP ($463,446,568).
- Past-year value change for that position: -$122,339,876.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of A. Brooke Seawell
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| NVDA | NVIDIA CORP | Director | $463,446,568 | -$122,339,876 | -21% | 17 Mar 2026 |
| TENB | Tenable Holdings, Inc. | Director | $459,259 | -$3,455,515 | -88% | 15 Dec 2025 |
| EAR | Eargo, Inc. | Director | 12 Oct 2022 |
Insider Transactions Reported by A. Brooke Seawell:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.